Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Qingliang Qi"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 9, Iss 1, Pp 1-16 (2023)
Abstract In order to solve the problems of low ROP and short service life of the bit drilling in deep and hard formation, a new technology of hobbing-cone hybrid PDC bit which has combined the advantages of conventional PDC bit and the hobbing-cone i
Externí odkaz:
https://doaj.org/article/d8e30a43b34140d7b88d97bbbd2c18a2
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
Aiming at improving the ROP of PDC bits in hard-to-drill formation, a new hybrid PDC bit with vertical-wheel is proposed in this paper, furtherly, the kinematic characteristics of the vertical-wheel are researched. Firstly, the coordinate system of t
Externí odkaz:
https://doaj.org/article/a35edaa8c4464e8b8af9554d3517a5c3
Publikováno v:
Processes
Volume 11
Issue 2
Pages: 464
Volume 11
Issue 2
Pages: 464
In the oil and gas drilling industry, cemented carbide teeth are one of the most widely used rock-breaking elements. In order to reveal the rock damage mechanism of tooth indentation, a series of tooth indentation experiments were conducted in this s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cc36616edf8e1aecf22414c4316d31d
Autor:
Chen, Lian, Cao, Qiang, Qi, Qingliang, Niu, Shiwei, Yang, Yingxin, Chen, Xu, Zhao, Zhijie, Wu, Bin
Publikováno v:
Geomechanics & Geophysics for Geo-Energy & Geo-Resources; 10/21/2023, Vol. 9 Issue 1, p1-16, 16p
Publikováno v:
Processes; Feb2023, Vol. 11 Issue 2, p464, 24p